Two-displacement setting variable displacement pump used as...

Details Two-displacement setting variable displacement pump used as... Two-displacement setting variable displacement pump used as...

2005-03-29

2009-11-03

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Process

C060S039281, C060S779000

Reexamination Certificate

active

07610760

ABSTRACT:
A fuel delivery system (10) comprises a variable displacement pump (20) for pressurizing fuel. The variable displacement pump has a distinct first pump displacement setting for a first desired mass flow of fuel and a distinct second pump displacement setting for a second desired mass flow of fuel. The variable displacement pump operates in only one of the first and second pump displacement settings. A fuel control (22) with a metering valve downstream of the variable displacement pump selectively regulates fuel delivery.

REFERENCES:
patent: 5715674 (1998-02-01), Reuter et al.
patent: 5806300 (1998-09-01), Veilleux, Jr. et al.
patent: 6487847 (2002-12-01), Snow et al.
patent: 6526743 (2003-03-01), Maker et al.
patent: 6962485 (2005-11-01), Bennett et al.
patent: 2005/0100447 (2005-05-01), Desai et al.

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